import java.util.Random;

public abstract class is
{
  public abstract boolean a(da paramet, Random paramRandom, int paramInt1, int paramInt2, int paramInt3);
  public boolean CustomObjectBuilder(da paramWorld, Random paramRandom, int paramInt1, int paramInt2, int paramInt3, gb localBiomeBase)
  {
    return false;
  }

  public void a(double paramDouble1, double paramDouble2, double paramDouble3)
  {
  }
}